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Material Data Sheets

One-Way Rubber Sealing Valves

Custom Gasket Mfg. is a recognized leading manufacturer and supplier of high quality one-way rubber sealing valves.Our company’s reputation for excellence has been built on our ability to provide our valued customers with the most effective designing, engineering and manufacturing solutions to meet their most demanding applications. Our main objective is to continuously exceed our customer’s expectations by providing them with high performance gaskets and sealing products, competitive pricing, on-time delivery and exceptional customer service. Custom Gasket Mfg. maintains a modern manufacturing facility along withknowledgeable, technically-oriented professionals enabling us to consistently meet all of your blueprint specifications and tolerance requirements.

One-way sealing valves are used to facilitate a unidirectional flow of fluid. Depending upon the application this either causes a forward flow or prevents backflow in a device. Our flapper, umbrella, duckbill and custom valves are produced from a wide variety of rubber compounds, including medical and food-grade silicone and hydrocarbon-resistant fluorosilicone rubber in order to handle a broad range of tolerances and temperatures.

All one-way rubber sealing valves allow fluid, either a liquid or a gas, to flow through it in only one direction. The design and structure of one-way check valves make them widely applicable in pressured fluid environments. The elastomeric compound offers itself to be low-maintenance, rust-free, and highly responsive to very subtle pressure changes. Flapper Valves accomplish this by containing a hinged flap or disk that swings in one direction only. Umbrella Valves feature a ball or rounded shaped end which snaps easily into a mating plate or receptacle. Duckbill Valves allow positive pressure to open the valve and negative pressure to close off flow. Our custom one-way rubber valves offer a solution to unconventional unidirectional flow requirements.